Kotoko's acting strange. Actually, she always acts strange... But she didn't pull out people's hair or lurk about with syringes before. Rito and Mari find her behavior suspicious, but Kotoko refuses to explain herself because she's afraid of being alone again and accidentally tears Rito's drawing. Then a Scooper appears...
See, this is a strategy that applies 
trigonometric functions, and—
حسناً، هذه استراتيجية تطبّق وظائف
—لها علاقة بحساب المثلّثات و
Na ja, dieser Plan involviert
viel Geometrie. Und …
Esta estrategia aplica
una función trigonométrica que…
Esta estrategia aplica
la función trigonométrica y…
En fait, mon plan se base
sur les fonctions trigonométriques…
In pratica, questa strategia si basa
sull'applicazione di funzioni trigonometriche per—
Bem, é uma estratégia que aplica
funções trigonométricas—
В общем, я посчитала пару 
тригонометрических функций...